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The Periodic Table. You will need your periodic table for these notes. Today you get to color in class!. The Periodic Table. History of the Periodic Table Mendeleev Mosely. A. Dmitri Mendeleev. Dmitri Mendeleev (1869, Russian). Organized elements by increasing atomic mass .

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Presentation Transcript
slide1

The Periodic Table

  • You will need your periodic table for these notes.
  • Today you get to color in class!
the periodic table

The Periodic Table

History of the Periodic Table

Mendeleev

Mosely

a dmitri mendeleev
A. Dmitri Mendeleev
  • Dmitri Mendeleev (1869, Russian)
  • Organized elements by increasing atomic mass.
  • Predicted the existence of undiscovered elements.
b henry mosely
B. Henry Mosely
  • Henry Mosely (1913, British)
  • Organized elements by increasing atomic number.
  • Fixed problems in Mendeleev’s arrangement.
the periodic table1

The Periodic Table

I.Organization

Metallic Character

Rows & Columns

Table Sections

b table sections

Color your periodic table to show the different sections of the table!

B. Table Sections
  • Representative Elements
  • Transition Metals
  • Inner Transition Metals
b table sections1

Lanthanides - part of period 6

Actinides - part of period 7

B. Table Sections

Overall Configuration

the periodic table2

The Periodic Table

III.Periodic Trends

Terms

Periodic Trends

Dot Diagrams

slide11

A. Terms

  • Periodic Law
  • Properties of elements repeat periodically when the elements are arranged by increasing atomic number.
a terms
A. Terms
  • Valence Electrons
    • e- in the outermost energy level
  • Atomic Radius
  • First Ionization Energy
    • energy required to remove an e- from a neutral atom
b periodic trends1

Use a pen to show increasing first ionization energy on the table!

B. Periodic Trends
  • First Ionization Energy
  • Increases to the RIGHT and UP.
b periodic trends2
B. Periodic Trends
  • Which atom has the larger radius?
  • Be or Ba
  • Ca or Br
  • Ba
  • Ca
b periodic trends3
B. Periodic Trends
  • Which atom has the higher 1st I.E.?
  • N or Bi
  • Ba or Ne
  • N
  • Ne
b periodic trends4

Use a pen to show the group and period numbers on the table!

1

18

2

13 14 15 16 17

B. Periodic Trends
  • Group # = # of valence e- (except He)
    • Families have similar reactivity.
  • Period # = # of energy levels

3 4 5 6 7 8 9 10 11 12

c dot diagrams
C. Dot Diagrams
  • Dots represent the valence e-.
  • EX: Sodium
  • EX: Chlorine